PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/02-12:27:50
G08     278.8          22.5                3.7 +/-    0.86       7.6 +/-    0.86  0.030 / 0.030
G10     36.8           61.7                3.1 +/-    0.30       3.5 +/-    0.30  0.030 / 0.030
G14     243.7          58.2                5.9 +/-    0.82       6.8 +/-    0.82  0.050 / 0.070
G18     316.3          23.7                2.6 +/-    3.08       5.3 +/-    3.08  0.050 / 0.060
G20     81.7           44.7                4.2 +/-    0.79       5.6 +/-    0.79  0.080 / 0.120
G21     150.8          24.1                4.2 +/-    1.80       8.3 +/-    1.80  0.090 / 0.160
G24     45.1           16.9                2.1 +/-    0.70       5.0 +/-    0.70  0.080 / 0.160
G27     244.5          25.0                4.3 +/-    1.06       8.4 +/-    1.06  0.100 / 0.150
G31     182.7          15.4                3.1 +/-    1.82       7.7 +/-    1.82  0.100 / 0.200
G32     272.8          72.7                4.4 +/-    0.83       4.6 +/-    0.83  0.100 / 0.210